Jika a = -2, b = 3, dan c = -1, berapa a × b - c?

Soal

Jika a = -2, b = 3, dan c = -1, berapa a × b - c?

• A. -5
• B. 5
• C. -7
• D. 7

Jawaban

A. -5

Pembahasan

a × b = (-2) × 3 = -6; lalu kurangi c: -6 - (-1) = -6 + 1 = -5.